Troubleshooting Waveforms:
Bluetooth Troubleshooting Waveforms
6-39
Bluetooth Command to RX 2.402 GHz
The RSSI should increase significantly in the presence of a 2.402 GHz nearby signal. Using an
external signal generator source signal of 2.402 GHz connected to a an external Bluetooth antenna,
bring it close to the Bluetooth antenna contact pin (M1301) on Main board, send this command to
read the 2.402 GHz RSSI
If no signal is detected, the response will be 803900020d80.
If no test equipment is available, an APX radio with BT functional could be used to verify the test
radio. Hold the radios with the front housing face to face. One radio could be used to TX while the
other radio is used to RX.
Low Frequency (LF) Command to TX 125 kHz CW
Set the spectrum analyzer at 125 kHz center, 10 MHz span, RBW of 1 kHz, a VBW of 3 kHz, and a
sweep time of 25 ms. Use this command to verify the LF coil is emitting a 125 kHz pulse by probing
C2454 or C2457 with a spectrum analyzer:
Low Frequency (LF) Command to RX 125 kHz
Use this command to verify the LF coil is receiving a 125 kHz pulse generated by a signal generator
by tapping on C2454 or C2457. The result contains the LF RSSI. This command is not in the initial
SW release but is included in SR 7.11 SW:
If no signal is detected, the response will be 8039010305.
A fast verification that requires no additional test equipment can be done by sending the LF TX
command, then the LF RX command directly afterwards. If both the transmitter and receiver are
working, the response should be 803900030x, where x is typically between 4 and 6. Even if the
response passes, the LF coil may be physically damaged. It is best to open the radio and observe
the coil to ensure it is not damaged.
To test the LF RX using SR 7.9 SW, a POD accessory is required to verify communication.
Table 6-3. Bluetooth Command to RX
TEST
RCMPRAW CMD
RESPONSE
Bluetooth RX at 2.402 GHz
rcmpraw:0039020D00
Success: 803900020dBB, where BB
is the RSSI in hex.
Failure: 803901
Table 6-4. Low Frequency Command to TX
TEST
RCMPRAW CMD
RESPONSE
Low Freq. 125 kHz TX
rcmpraw: 00390303
Success: 8039000303
*
Failure: 8039010303
*
Note
: * In SR 7.9 SW release, the response is 8039000302 for a success and 8039010302 for a failure.
Table 6-5. Low Frequency Command to RX
TEST
RCMPRAW CMD
RESPONSE
Low Freq. 125 kHz RX
rcmpraw: 00390305
Success: 80390003BB, where BB is the RSSI in hex.
Failure: 803901
Summary of Contents for Astro APX 3000
Page 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Page 2: ......
Page 4: ...Notes ...
Page 6: ...vi Document History Notes ...
Page 10: ...x Table of Contents Notes ...
Page 12: ...xii List of Tables Notes ...
Page 18: ...xviii List of Figures Notes ...
Page 22: ...xxii CommercialWarranty Notes ...
Page 46: ...3 20 Theory of Operation Main Board Notes ...
Page 84: ...3 58 Theory of Operation Bluetooth Notes ...
Page 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Page 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Page 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Page 468: ...Glossary 10 Glossary Notes ...
Page 472: ...Index 4 Index Notes ...
Page 473: ......